<?php

class BaigiangController extends BaseAdminController
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='/layouts/column2';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
			'postOnly + delete', // we only allow deletion via POST request
		);
	}

	
	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new BaiGiang;

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['BaiGiang']))
		{
			$model->attributes=$_POST['BaiGiang'];
                        if($model->validate()){
                                $baigiangFile=  CUploadedFile::getInstance($model, 'file');
                                
                                if($baigiangFile){
                                        $paths=Utils::extractZip($baigiangFile->tempName, Path::getBaiGiangPath());
                                        
                                        if($paths){
                                                if(is_file($paths['fullpath'] . DIRECTORY_SEPARATOR . 'index.htm')){                                            
                                                        $model->linkurl=  Path::getBaiGiangRelativeUrl() . 
                                                                        '/' . $paths['foldername'] . '/index.htm';
                                                }else if(is_file($paths['fullpath'] . DIRECTORY_SEPARATOR . 'index.html')){
                                                        $model->linkurl=  Path::getBaiGiangRelativeUrl() . 
                                                                        '/' . $paths['foldername'] . '/index.html';
                                                }
                                        }
                                }
                                
                                $thumnailFile=  CUploadedFile::getInstance($model, 'thumbnailFile');
                                
                                if($thumnailFile){
                                        if(!is_dir(Path::getThumbnailPath())){
                                                mkdir(Path::getThumbnailPath(), 0777, true);
                                        }
                                    
                                        $saveFilename='img_' . time() . '.' . $thumnailFile->extensionName;
                                        $saveFilePathname=Path::getThumbnailPath() . DIRECTORY_SEPARATOR . $saveFilename;
                                        if(!Utils::resizeImage(
                                                    $thumnailFile->tempName, 
                                                    $saveFilePathname,
                                                    Yii::app()->params['baigiangThumbnailSize'][0],
                                                    Yii::app()->params['baigiangThumbnailSize'][1],
                                                    true
                                                )){
                                                copy($thumnailFile->tempName, $saveFilePathname);
                                        }
                                        
                                        $model->thumbnailUrl=  Path::getThumbnailRelativeUrl() . '/' . $saveFilename;
                                }
                            
                                if($model->save(false))
                                        $this->redirect(array('view','id'=>$model->id));
                        }
		}
                
                $khoihocs=  KhoiHoc::model()->findAll();
                $monhocs=  MonHoc::model()->findAll();

		$this->render('create',array(
			'model'=>$model,
                        'khoihocs'=>$khoihocs,
                        'monhocs'=>$monhocs
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['BaiGiang']))
		{
			$model->attributes=$_POST['BaiGiang'];
                        
			if($model->validate()){
                                $baigiangFile=  CUploadedFile::getInstance($model, 'file');
                                
                                if($baigiangFile){
                                        $paths=Utils::extractZip($baigiangFile->tempName, Path::getBaiGiangPath());
                                        
                                        if($paths){
                                                if(is_file($paths['fullpath'] . DIRECTORY_SEPARATOR . 'index.htm')){                                            
                                                        $model->linkurl=  Path::getBaiGiangRelativeUrl() . 
                                                                        '/' . $paths['foldername'] . '/index.htm';
                                                }else if(is_file($paths['fullpath'] . DIRECTORY_SEPARATOR . 'index.html')){
                                                        $model->linkurl=  Path::getBaiGiangRelativeUrl() . 
                                                                        '/' . $paths['foldername'] . '/index.html';
                                                }
                                        }
                                }
                                
                                $thumnailFile=  CUploadedFile::getInstance($model, 'thumbnailFile');
                                
                                if($thumnailFile){
                                        if(!is_dir(Path::getThumbnailPath())){
                                                mkdir(Path::getThumbnailPath(), 0777, true);
                                        }
                                    
                                        $saveFilename='img_' . time() . '.' . $thumnailFile->extensionName;
                                        $saveFilePathname=Path::getThumbnailPath() . DIRECTORY_SEPARATOR . $saveFilename;
                                        if(!Utils::resizeImage(
                                                    $thumnailFile->tempName, 
                                                    $saveFilePathname,
                                                    Yii::app()->params['baigiangThumbnailSize'][0],
                                                    Yii::app()->params['baigiangThumbnailSize'][1],
                                                    true
                                                )){
                                                copy($thumnailFile->tempName, $saveFilePathname);
                                        }
                                        
                                        $model->thumbnailUrl=  Path::getThumbnailRelativeUrl() . '/' . $saveFilename;
                                }
                            
                                if($model->save(false))
                                        $this->redirect(array('view','id'=>$model->id));
                        }
		}

                $khoihocs=  KhoiHoc::model()->findAll();
                $monhocs=  MonHoc::model()->findAll();
                
		$this->render('update',array(
			'model'=>$model,
                        'khoihocs'=>$khoihocs,
                        'monhocs'=>$monhocs
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		$this->loadModel($id)->delete();

		// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
		if(!isset($_GET['ajax']))
			$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('BaiGiang');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new BaiGiang('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['BaiGiang']))
			$model->attributes=$_GET['BaiGiang'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer $id the ID of the model to be loaded
	 * @return BaiGiang the loaded model
	 * @throws CHttpException
	 */
	public function loadModel($id)
	{
		$model=BaiGiang::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param BaiGiang $model the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='bai-giang-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
}
